Use the potential to find the force

Bob the skiing rabbit (m = 3 kg)
takes advantage of the recent snowfall
to go skiing on the hill behind his neighborhood.
The map above shows Bob's gravitational potential
energy at different locations on the hill.

Your job is to figure out the component of the gravitational force
which pulls Bob along the slope
as he skis from one place to another.
Please express your value as a vector.

from A to B

from A to C

from B to D

from D to E

Where is the gravitational force along the slope
the strongest?
Mark the location,
and estimate the magnitude and direction of the
gravitational force at that spot.